Currently USIs like this:
mzspec:GNPS:TASK-82c0124b6053407fa41ba98f53fd8d89-spectrum_library_mgf_splits/114.mgf:scan:1:[+42.011]-AAAAAAAAAAGAAGGR/1
do not parse because MassIVE does not support it (it should) but we should also translate proforma locally anyway.